Attaching a 7200.1 drive and powering up, the default Com port is COM4, the default speed is 9600. Shorting the serial cable at the hard drive connector will allow me to type in the Terminal window, but reconnecting to the drive results in the same error (7020). Checking Device Manager, COM4 shows "Silicon Labs CP210X USB to UART Bridge". COM1, the only other COM port available says simply "Communications Port". Set to COM4 and 9600, the light on the serial port of the Disk Sense unit will blink 2x or 3x before the error comed up. The Atola correctly identifies the drive and indicates "Locked, Maximum" when the drive ID is requested.
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